| 1 | #Last: Keeping doing the processArg for handing different type of arguments
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| 2 |
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| 3 | #parse3(\@_,$arguments,$self )
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| 4 |
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| 5 | package parse3;
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| 6 |
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| 7 | BEGIN {
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| 8 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 9 | die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
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| 10 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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| 11 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan");
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| 12 | }
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| 13 |
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| 14 | use util;
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| 15 |
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| 16 |
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| 17 |
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| 18 | #--Local Util Functions----------------------------
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| 19 | #-----------------------------------------
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| 20 | # Name: transformArg
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| 21 | # Parameters: 1.(Array pointer of plugin pre-defined argument list)
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| 22 | # Pre-condition: Call this function and pass a array pointer of argument list.
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| 23 | # Post-condition: This function will transform the array to a hash table
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| 24 | # with "Argument name" as its key
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| 25 | # Return value: Return a hash table of plugin pre-defined argument
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| 26 | # list with "argument name" as the key
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| 27 | #-----------------------------------------
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| 28 | sub transformArg
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| 29 | {
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| 30 | my ($aryptSysArguList) = @_;
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| 31 | my %hashArg;
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| 32 |
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| 33 | foreach my $hashOneArg (@{$aryptSysArguList})
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| 34 | {
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| 35 | if(!(defined $hashArg{$hashOneArg->{"name"}}))
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| 36 | {
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| 37 | $hashArg{$hashOneArg->{"name"}} = $hashOneArg;
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| 38 | }
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| 39 | }
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| 40 | return %hashArg;
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| 41 | }
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| 42 |
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| 43 | sub checkRange
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| 44 | {
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| 45 | my ($strRange,$intInputArg,$strArgName) = @_;
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| 46 | my @aryRange = split(",",$strRange);
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| 47 | if(defined $aryRange[0])
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| 48 | {
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| 49 | if($intInputArg < $aryRange[0])
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| 50 | {
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| 51 | print STDERR " Parameter Parsing Error (Incorrect Range): when parse argument parameter for \"-$strArgName\"\n";
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| 52 | return 0;
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| 53 | }
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| 54 | else
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| 55 | {
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| 56 | if(scalar(@aryRange) == 2)
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| 57 | {
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| 58 | if($intInputArg > $aryRange[1])
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| 59 | {
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| 60 | print STDERR " Parameter Parsing Error (Incorrect Range): when parse argument parameter for \"-$strArgName\"\n";
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| 61 | return 0;
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| 62 | }
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| 63 | }
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| 64 | }
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| 65 | }
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| 66 | else{ die " System error: minimum range is not defined. Possible mistyping in Argument list for $strArgName\n";}
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| 67 | return 1;
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| 68 | }
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| 69 |
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| 70 | sub checkCharLength
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| 71 | {
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| 72 | my ($intCharLength,$intInputArg,$strArgName) = @_;
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| 73 | if($intCharLength =~ m/\d/)
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| 74 | {
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| 75 | if(length($intInputArg) != $intCharLength)
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| 76 | {
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| 77 | print STDERR " Parameter Parsing Error (Incorrect Char_Length): when parse argument parameter for \"-$strArgName\"\n";
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| 78 | return 0;
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| 79 | }
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| 80 | }
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| 81 | else
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| 82 | {
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| 83 | die " System error: incorrect char_length. Possible mistyping in Argument list for $strArgName\n";
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| 84 | }
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| 85 | return 1;
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| 86 | }
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| 87 | #-----------------------------------------
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| 88 | # Name: processArg
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| 89 | # Parameters: 1.(Hash pointer of one argument)
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| 90 | # 2.(Array pointer of the user given argument)
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| 91 | # 3.(Hash pointer of user given arguments' values)
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| 92 | # Pre-condition: Given a argument ($hashOneArg)
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| 93 | # Post-condition: System will check whether it need to get parameter
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| 94 | # from $aryptInputArguList or not, and also check the
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| 95 | # given parameter is following the argument description
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| 96 | # Return value: 1 is parsing successful, 0 is failed.
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| 97 | #-----------------------------------------
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| 98 | sub processArg
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| 99 | {
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| 100 | my ($hashOneArg,$aryptInputArguList,$hashInputArg) = @_;
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| 101 |
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| 102 | # Since these two variables are going to be
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| 103 | # used a lot, store them with some better names.
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| 104 | my $strArgName = $hashOneArg->{"name"};
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| 105 | my $strArgType = $hashOneArg->{"type"};
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| 106 |
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| 107 | # If the argument type is "flag" then
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| 108 | # set it to 1(which is "true")
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| 109 | if($strArgType eq "flag")
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| 110 | {
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| 111 | $hashInputArg->{$strArgName} = 1;
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| 112 | }
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| 113 |
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| 114 | # If the argument type is "int" then
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| 115 | # gets the next argument from $aryptInputArguList
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| 116 | # and check whether it is a digit
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| 117 | # TODO: check its "range" and "char_length"
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| 118 | elsif($strArgType eq "int")
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| 119 | {
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| 120 | my $intInputArg = shift(@{$aryptInputArguList});
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| 121 | if ($intInputArg =~ /\d+/)
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| 122 | {
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| 123 | $hashInputArg->{$strArgName} = $intInputArg;
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| 124 | }
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| 125 | else
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| 126 | {
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| 127 | print STDERR " Error: occur in parse3.pm::processArg()\n Unmatched Argument: -$strArgName with type $strArgType\n";
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| 128 | return 0;
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| 129 | }
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| 130 | }
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| 131 |
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| 132 | # If the argument type is "enum" then
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| 133 | elsif($strArgType eq "enum")
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| 134 | {
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| 135 | if(defined $hashOneArg->{"list"})
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| 136 | {
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| 137 | my $aryptList = $hashOneArg->{"list"};
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| 138 | my $blnCheckInList = "false";
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| 139 | my $strInputArg = shift(@{$aryptInputArguList});
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| 140 | foreach my $hashEachItem (@$aryptList)
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| 141 | {
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| 142 | if($strInputArg eq $hashEachItem->{"name"})
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| 143 | {
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| 144 | $blnCheckInList = "true";
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| 145 | }
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| 146 | last if($blnCheckInList eq "true");
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| 147 | }
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| 148 | if($blnCheckInList ne "true")
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| 149 | {
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| 150 | print STDERR " Error: occur in parse3.pm::processArg()\n Unknown Enum List Type: -$strArgName with parameter: $strInputArg\n";
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| 151 | return 0;
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| 152 | } else {
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| 153 | $hashInputArg->{$strArgName} = $strInputArg;
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| 154 | }
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| 155 |
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| 156 | }
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| 157 | else
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| 158 | {
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| 159 | print STDERR " Error: occur in parse3.pm::processArg(2)\n Unknown Type: -$strArgName with type $strArgType\n";
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| 160 | return 0;
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| 161 | }
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| 162 | }
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| 163 |
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| 164 | # If the argument type is "string" or "metadata" then
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| 165 | # just shift the next argument from $aryptInputArguList
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| 166 | # TODO: make sure if there is any checking required for this two types
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| 167 | elsif($strArgType eq "string" || $strArgType eq "metadata" || $strArgType eq "regexp" || $strArgType eq "url")
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| 168 | {
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| 169 | $hashInputArg->{$strArgName}= shift(@{$aryptInputArguList});
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| 170 | }
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| 171 | #if the argument type is "quotestr", then the next several arguments must be shifted from $aryptInputArugList
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| 172 | #lets see if we can detect an end double quote
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| 173 | elsif($strArgType eq "quotestr")
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| 174 | {
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| 175 | my $tmpstr = shift(@{$aryptInputArguList});
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| 176 | $hashInputArg->{$strArgName} = "";
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| 177 | while($tmpstr !~ /\"$/) {
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| 178 | $hashInputArg->{$strArgName} = $hashInputArg->{$strArgName}." ".$tmpstr;
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| 179 | $tmpstr = shift(@{$aryptInputArguList});
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| 180 | }
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| 181 | $hashInputArg->{$strArgName} = $hashInputArg->{$strArgName}." ".$tmpstr;
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| 182 | }
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| 183 | else
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| 184 | {
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| 185 | print STDERR " Error: occur in parse3.pm::processArg(3)\n Unknown Type: -$strArgName with type $strArgType\n";
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| 186 | return 0;
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| 187 | }
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| 188 |
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| 189 | return 1;
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| 190 | }
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| 191 |
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| 192 | #--Main Parsing Function----------------------------
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| 193 | #-----------------------------------------
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| 194 | # Name: parse
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| 195 | # Parameters: 1.(Array pointer of the user given argument)
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| 196 | # 2.(Array pointer of plugin pre-defined argument list)
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| 197 | # 3.(Hash pointer, where we store all the argument value)
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| 198 | # Pre-condition: Plugin gives the parameters to parse function in parse3
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| 199 | # Post-condition: Store all the default or user given values to the hash->{$ArgumentName}.
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| 200 | # Since hash may be a plugin $self, plugin will have every values we set.
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| 201 | # 4. Optional "allow_extra_options" argument. If this is set, then
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| 202 | # its ok to have arguments that are not in the predefined list
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| 203 | # Return value: -1 if parsing is unsuccessful
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| 204 | # other value for success. This will be 0 unless "allow_extra_options" is set, in which case it will be the number of extra arguments found.
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| 205 | #-----------------------------------------
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| 206 | sub parse
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| 207 | {
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| 208 | # Get the user supplied arguments pointer "\@_"
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| 209 | my $aryptUserArguList = shift;
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| 210 |
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| 211 | # Check if allow extra arguments
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| 212 | my $blnAllowExtraOptions = "false";
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| 213 |
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| 214 | if(scalar(@_) == 3)
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| 215 | {
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| 216 | my $strAllowExtraOptions = pop @_;
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| 217 |
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| 218 | if ($strAllowExtraOptions eq "allow_extra_options")
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| 219 | {
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| 220 | $blnAllowExtraOptions = "true";
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| 221 | }
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| 222 | }
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| 223 |
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| 224 | my ($aryptSysArguList,$self) = @_;
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| 225 | my %hashArg;
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| 226 | my %hashInputArg;
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| 227 | my @ExtraOption;
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| 228 |
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| 229 | # Transform the system argument (predefined the code)
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| 230 | # from array to hash table for increasing performance
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| 231 | %hashArg = &transformArg($aryptSysArguList);
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| 232 |
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| 233 | # Process each User input argument and store the
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| 234 | # information into hashInputArg
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| 235 | while (my $strOneArg = shift(@{$aryptUserArguList}))
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| 236 | {
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| 237 | # Check whether it start with a "-" sign
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| 238 | if ($strOneArg =~ /^-+\w/)
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| 239 | {
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| 240 | # If it is start with a "-" sign then take it off
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| 241 | $strOneArg =~ s/^-+//;
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| 242 |
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| 243 | # If the inputed argument is defined in the argument
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| 244 | # list from this plugin then process
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| 245 |
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| 246 | if(defined $hashArg{$strOneArg})
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| 247 | {
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| 248 | #$%^
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| 249 | #print "($strOneArg) is processed\n";
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| 250 | # Process this argument and store the related
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| 251 | # information in %hashInputArg
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| 252 | if(processArg($hashArg{$strOneArg},$aryptUserArguList,\%hashInputArg) == 0){
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| 253 | print STDERR "<BadArgumentValue a=$strOneArg>\n";
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| 254 | return -1;}
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| 255 | }
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| 256 |
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| 257 | # Else check if it allows extra options, if yes
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| 258 | # then push it to a new array, else return fault
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| 259 | else
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| 260 | {
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| 261 | if($blnAllowExtraOptions eq "true")
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| 262 | {
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| 263 | push(@ExtraOption,"-$strOneArg");
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| 264 | }
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| 265 | else
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| 266 | {
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| 267 | print STDERR "<BadArgument a=$strOneArg>\n";
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| 268 | print STDERR " Error: occur in parse3.pm::parse()\n Extra Arguments: $strOneArg\n";
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| 269 | return -1;
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| 270 | }
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| 271 | }
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| 272 | }
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| 273 |
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| 274 | # This part follow the previous parsing system.
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| 275 | # It doesn't return error message even user
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| 276 | # gave a invalid argument.
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| 277 | else
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| 278 | {
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| 279 | if($blnAllowExtraOptions eq "true")
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| 280 | {
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| 281 | push(@ExtraOption,$strOneArg);
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| 282 | }
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| 283 | else
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| 284 | {
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| 285 | print STDERR " Error: occur in parse3.pm::parse()\n Invalid Argument: $strOneArg\n";
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| 286 | return -1;
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| 287 | }
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| 288 | }
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| 289 | }
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| 290 |
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| 291 | # Store the extra option back
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| 292 | # to the user given argument list.
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| 293 | @$aryptUserArguList = @ExtraOption;
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| 294 |
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| 295 | # Now we go through all the pre defined arguments,
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| 296 | # if the user has specified the arguments then just
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| 297 | # set to whatever they set. Otherwise use the default value
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| 298 | foreach my $hashOneArg (@{$aryptSysArguList})
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| 299 | {
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| 300 | my $strArgName = $hashOneArg->{"name"};
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| 301 |
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| 302 | # If the strArgName has defined in the %hashInputArg,
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| 303 | # this means users has give this argument, store the
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| 304 | # user given to self->{"$strArgName"}
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| 305 | if(defined $hashInputArg{$strArgName})
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| 306 | {
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| 307 | if(defined $hashOneArg->{"range"})
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| 308 | {
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| 309 | if(checkRange($hashOneArg->{"range"},$hashInputArg{$strArgName},$strArgName) == 0){ return -1;}
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| 310 | }
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| 311 | if(defined $hashOneArg->{"char_length"})
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| 312 | {
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| 313 | if(checkCharLength($hashOneArg->{"char_length"},$hashInputArg{$strArgName},$strArgName) == 0){ return -1;}
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| 314 | }
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| 315 | $self->{"$strArgName"} = $hashInputArg{"$strArgName"};
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| 316 | }
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| 317 | elsif (!defined $self->{$strArgName})
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| 318 | {
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| 319 | # don't want to override default with superclass value
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| 320 |
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| 321 | # Else use the default value of the arguments,
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| 322 | # if there is no default value, then it must be a flag,
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| 323 | # then set it to 0 (which is false)
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| 324 |
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| 325 | if(defined $hashOneArg->{"deft"})
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| 326 | {
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| 327 | $self->{"$strArgName"} = $hashOneArg->{"deft"};
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| 328 | }
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| 329 | else
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| 330 | {
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| 331 | if($hashOneArg->{"type"} eq "flag"){
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| 332 | $self->{"$strArgName"} = 0;
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| 333 | }
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| 334 | else {
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| 335 | # all other cases, use "" as default
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| 336 | $self->{"$strArgName"} = "";
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| 337 | }
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| 338 | }
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| 339 | }
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| 340 | }
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| 341 |
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| 342 | # If allow_extra_options is set, then return the number of arguments left in the argument list.
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| 343 | if($blnAllowExtraOptions eq "true")
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| 344 | {
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| 345 | return scalar(@$aryptUserArguList);
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| 346 | }
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| 347 | else
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| 348 | {
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| 349 | return 0;
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| 350 | }
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| 351 | }
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| 352 |
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| 353 | 1;
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